25698530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17971}}^1$

素因数の和:18002

約数の個数: 32

約数和(自身を含む): 54347328

約数和(自身を除く): 28648798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17971, 35942, 89855, 179710, 197681, 233623, 395362, 467246, 988405, 1168115, 1976810, 2336230, 2569853, 5139706, 12849265, 25698530]

約数ペア:

[(1, 25698530), (2, 12849265), (5, 5139706), (10, 2569853), (11, 2336230), (13, 1976810), (22, 1168115), (26, 988405), (55, 467246), (65, 395362), (110, 233623), (130, 197681), (143, 179710), (286, 89855), (715, 35942), (1430, 17971)]